Year	current US$
1989	3861310000
1990	53886800000
1991	41636363636.36364
1992	38731285202.252945
1993	38167358988.42647
1994	60176000926.756165
1995	103748076045.01414
1996	106920666401.35309
1997	107001246020.37862
1998	103753874954.00757
1999	80373921638.78159
2000	91704156392.48003
2001	83133696681.01218
2002	74844327879.78755
2003	80336365429.45108
2004	101113529158.98465
2005	134639931153.18416
2006	165565881405.4163
2007	205815472574.52014
2008	263569683334.9057
2009	241707384912.08487
2010	331399529452.42426
2011	392102838903.4385
2012	368907089304.0645
2013	360773140533.6236
2014	342641498806.60547
2015	252542904694.57492
2016	243319920098.82816
2017	286255608420.0328
2018	271767531313.07602
2019	261745364562.1935
2020	196823427527.92868
2021	240646366445.50525
2022	260110206101.11987
2023	274213341595.9539